package com.qf.service;

import com.qf.pojo.User;

import javax.servlet.http.HttpSession;

/**
 * @Description: 公用常量
 * @Data: 2022/9/14 20:33
 * @Pacakge: com.qf.service
 * @ClassName: UserService
 * @Author: fan
 */
public interface UserService {
    /**
     * 通过用户名查询用户是否存在
     * @param user 用户
     * @param httpSession session域
     * @return
     */
    Boolean findUserName(User user, HttpSession httpSession);
}
